Denis J. Dwyer


Denis Dwyer
T: 202-659-8201
F: 202-659-5249

Denis Dwyer became a Principal of Williams & Jensen in March 2002. He specializes in Federal and state legislative, public policy, and government marketing and procurement issues.

Professional background

Mr. Dwyer has a record of significant Federal funding accomplishments in areas of economic development, transportation, education, infrastructure, defense, and environmental matters. He also has substantial experience in assisting clients in the marketing of products and services to Federal, state, and local government agencies. In recent years, he has been successful in securing various Federal appropriations and authorizations on behalf of clients.

Prior to joining Williams & Jensen, Mr. Dwyer was a Principal and the Director of Legislation and Federal Affairs at Verner, Liipfert, Bernhard, McPherson and Hand, from 1992 until March 2002. In December 2000, Influence Online named Mr. Dwyer as one of Washington’s top four transportation lobbyists. In 1998, Legal Times ranked Mr. Dwyer as one of the “Hottest Appropriations Lobbyists” in Washington, D.C.

Previously, Mr. Dwyer held the office of Executive Vice President and Chief Operating Officer of the McNair Group, Inc., a government affairs and business consulting subsidiary of the McNair Law Firm. He also succeeded, over an eight-year period, to the same capacity at the Railway Progress Institute, the international trade association of the railroad and rail rapid transit manufacturing and supplier industry.

Throughout his career, Mr. Dwyer has been involved in the completion of state and Federal environmental impact statements affecting public facilities. He also has assisted state and local governments and major corporations in planning and executing Federal and state legislative, regulatory, and marketing strategies.

In addition to serving Williams & Jensen clients, Mr. Dwyer is the founder and former member of the Board of Directors of Operation Lifesavers, Inc., a former Committee member of the Transportation Research Board and a former sub committee member of the National Committee on Uniform Traffic Control Devices.


  • Gettysburg College, B.A., 1978

Not licensed to practice law.